TEXAS WRU RAT L does take close competition good flier turnout new experimental categoryalready being flown various forms around countryto unofficially flown years Nats first time may vehicle put fun numbers back Control Line Racing U Frank Williams Three-up racing Control Line models doubt exciting forms model aircraft competition Twen ty-five years ago Control Line flying flourishing Rat Racing attracted com petitors areas modeling though form racing often took day run event because entries planes could built flown average modeler didnt need engineering degree design workings muscles like Charles Atlas fly Things just simpler Unfortunately outdid ourselves striv ing horsepower cleaner faster airplanes such Never daring take step backward went faster faster finally arriving two-up speed Isnt interesting RC has become popular recent years has drawn away competitors wonder what has happened CL Racing has caused What need to get back basicsto racing emphasizes sport racing need races like 25 years ago much fun races could flown three four us time planes didnt necessarily take special pilot handle pull Almost definition races can flown three-up will physically within reach people thoughtful attention rules can legislate simple airframe build around inexpensive available engines kind racing promotes success area country has attempted form another develop ing local sport race events order provide entry level racing event also format three-up racing skill levels enjoy Northwest Sport Race Florida Slow Rat ACLA Slow Rat Fox Goldberg Midwest Sport Race Big Good year Formula Unlimited Texas Quickie Rat evolved fill need have proven successful part 72 Model Aviation Models simple design based Rat Racers 19608 Control Line racing enjoying its heyday coiorfui red white biue Texas flag paint schemewas done K&B Superpoxy paint its simple buiid easyto fiyatthe siower racing 100mph speeds doesnt take super quick speeds make racing fun What NO OCR TEXT Full-Size Plans Available. See Page 162 TEXAS QUICKIE RAT SCRAP BALSA FILLER I/B ALUMINUM MOTOR PLATE I/B PLYWOOD BACKPL ATE USE BLIND MOUNTING NUTS EXTERNAL LINE032 SOLiD1/4 PLYWOOD2 BELLCRANK CONNECTIONS RODLEADOUTSCENTER SPAREXPOSED I/B PLYWOOD---- LEADOUT SUIDE THIS BESS IS MADE AFTER FINAL ASSEMBLY NOTCH IN/ WIRE CATCHESRN HERE UL SOLDER EYELET TRIP WIRERINS PULL FUEL SHUT-OFF II/I67-64 DRILL 4 3/B040 STAINLESS ~BRACKET MNT HOLES IBEND WIRE OUT 01/OF PLANE TO PROVIDE AUTO RESET IIfl FILE NOTCH IS WiRE WITH CUTOFF 3/32 MUSIC WIRE 1 ii E 1/16 PLY RUDDER TEXAS cNYLON TAPE ULCIE 1/16 PLY RUDDER STABI LIZER4i 315 MAXIMUM VENTURI BORE /WITH 155 MIS SPRAY BAR THROUGH CENTER MOTOR FRONT INTAKE SINGLE BYPASS DISPLACEMENT K B 40 SHOWN SHUT-OFF MODEL AVIATION TEXAS QUICKIE RAT DRAWING BY FRANK WILLIAMS TRACING BY JOE DEMARCO ALL RIGHTS RESERVED WING IS I/A MEDIUM BALSA OVER 1/32 PLYWOOD BOTTOM SKIS / NOTE WINS MAY BE COVERED WITH 15 02 DLXXX CLOTH .- LOCATION OF OPTIONAL FUEL TANKA--TRAILING EDGE DOWNSECTION AA K B K QUICK3/B I/U MAPLE UPPER FILLMOTOR MOUNT FUSELASE TOP-FUEL SHUT-OFF1/32 PLYWOOD WINS BABOTTOM SKIN _____________3/B 1/2 MAPLE MOTOR SO BEND IN UPPER END OF LG WIRE _______ ____________________________________________________________[v32][b1423139911700]]I/B ALUMINUMRECESS FOR MOTOR PLATE 0I2345 ______________________FRONT END DETAIL ATORri SEWN/ HISSESNYLON HORNSTABILIZER AND ELEVATOR FROM I/B BASSWOOD engine original engine manu facturer What taking advantage wealth inexpensive sport 40 RC en ginesK&B OS Enya Webra ST name few fact weve run out 35s K&B 35 isnt available anymore since ringed engine about choice Sport Racing events Sure everyone has Fox Combat Special could base class racing event around what makes racing fun having engine start pitting situation ringed engine generally will lapped engine poor choice hot pits class ringed 40s has proven excellent source Control Line Racing engines inexpensive $45-$65 easily available both new used great starters proper ven turi specification horsepower output can easily controlled problem draw racing cant stop drilling out venturi until other guy does know wont get airspeed need competitive youve got get much air possible engine After can no longer get reliable needle setting just running pits youve got set needle air Next worry Will have enough draw get off ground Since Sport racing events have outlawed inboard tanks swing-weight carbs finally resort Ive seen done little thumb over venturi starts quick throw air Oh gosh sounded simple draw As turns out sport 40s left run draw drilled-out venturis would generate power want need achieve 95 100-mph speed So killed two birds stone speci fied maximun venturi bore minimum spraybar size limited power output engine same time promoted success competitors giving event engine/venturi combi nation anyone can easily needle ground venturi regulation come think about necessary internal combustion racing long run ergo carburetor plates auto racing matter could race current Fast Rats three-up proper venturi speci fication changing anything else start running faster youd like next year just knock off thousandth venturi bore Quickie Rat weve arrived venturi bore 315 %6 drill plus little slop minimum spraybar di ameter 155 spraybar going Continued page 156 74 Model Aviation Don Cranfili Ron Esman Richard Stubbiefleld another hotly-contested race Threeup Control Line Racing just too much fun let slip under horsepower curve Get yours ready 1986 Nats event time best spent practicing flying AMA WiNG NUMBERS AMA number single decal Ready apply AMA171120L1 Black letters Clear plastic peel & stIck CL Speed/Hem pel Continued page 71 ucts larger-sized jets will have machined Use brass 10-32 machine screw Cut desired length drill out almost entire length No 42 drill bit drill very last portion desired drill size Machine off enough threads fuel tub ing slide Starting procedure Utilizing fuel mixtures listed previously engine very easy start Attach air supply Model T coil ignition Raise nose model about 450 turn coil pump should start two four pumps Launching model simply letting go either straight ahead angled out slightly very important pilot back up keep lines tight first l/ lap Remember thrust push behind rather pull line tension must maintained until speed builds up centrifugal force keeps model mov ing straight fly model 65-ft 018 single-strand solid wire two pieces equipment will need normally modelers tool box piece lA-in steel pipe good hammer jet pipes bend hard land ing can straightened forcing pipe inside jet pipe smoothing out dents hammer Give Jet try might just get hooked first weekend out put over 30 flights SupplIers needed supplies Sears Auto Centerhigh-volume tire pump JC Whitney Model T ignition coil Paint storeMEK stan dard brands chain Jet EngineP&G Metal Products 301 North Yale Dr Garland TX 70542 months column written help Charlie Davis noted Jet modeler Speed flier has motivation behind hav ing fun flying Speed instead stand ing front milling machine lathe months column copyright 1986 Gene Hempel Gene Hempel 301 N Yale Dr Garland TX 75042 Quickie Rat/Williams Continued page 74 through center venturi goes saying rules prohibit troduction air engine through passage other venturi designate minimum length above below spraybar specified bore must maintained also supply 10% fuel event requirements allow us race comfortably 100-mph range provide us simple reliable system promotes success competitors no matter what level Clear Lake Line Winders plan sponsor Quickie Rat unofficial event Lake Charles Nats summer youre going Nats wed like have come race us Construction airplane pretty straightforward just arent whole lot parts deal wont take couple days build wing built epoxying Tite bonding piece -in medium-to-firm balsa onto 2-in plywood wing bottom bottom should continuous piece plywood dont butt two 12-in pieces gether center can substitute 1/16 plywood wing bottom like used build way Ive decided 2 works just well saves some weight Rout out center balsa down plywood through inset the-in plywood belicrank mount/main spar epoxy After has cured sand wing shape bringing trailing edge down plywood skin construction method gives fairly light rigid wing trailing edge firm enough grasped during pitting damage Rout out recess outboard tip bury about 1 oz lead wing tip like wing can covered layer 1 5-oz glass cloth adhered K&B clear Superpoxy fuselage isnt evenings work either engine mounts fuselage Youll need piece 18in maple upper engine mount shorter piece lower Fill between mounts -in balsa add -in ply wood sub-rudder/tail skid piece plywood inboard side engine take power sander Rout recess fuselage/engine mounts landing gear wire lay same time cut engine plate -in aluminum fit engine Bend landing gear wire upper end fits upper engine mount bend will keep rotating aluminum engine plate holds place Ive using tAz music wire forthe landing gear also works fine stab elevator cut -in basswood Ive shown sewn hinges anything will Add Vt-in plywood rudder like Mount wing stab fuselage using liberal amounts epoxy nylon tape check carefully proper alignment like wing go through fuselage rather mounted top upper engine mount its just safer sturdier Add -in plywood lead-out gnide youre just about done woodwork Give whole thing couple coats K&B Superpoxy clear set aside thats left build tank shut off favorite type tip skids like bolt bellcrank Ive re cently taken using silicone sealer attach tank body course standard add some hooks rubberband thing does give easy access repair leaks like since arent running pressure thats just critical planes really quite durable have eight years old use loaner 156 Model Aviation r ROUSH KITS TaylorCraft Full span 108 Area 1670 Clipped 84 Area 1300 Power 75 12 Cu Bales & Pl 2 lbs $11995 Super Sport 120 Span 73 Area 960 Power 75 12 cv $9995 Super Kwik Fli Span 70 Area 927 Power 75 12 Cu $8995 Two Ugly Stick span 70 Area 1290 Power 75 12 Cu $9995 Jr Sticks span 72 Area 1060 Power 75 12 Cu $7995 Direct Sales Only Prices Include Shipping Send $100 Catalog ROUSH MFG 1726 Dywood St SE Canton Ohio 44707 2104644610 RUBBER POWERED FLYING MODELS KITS S SSORIES KITSTISSUE -LUBE-PROPELLERS SHAFTS BEARINGS WHEELS LARGE CATALOG OF QUALITY SUPPLIES KITS AND PLANS FOR RUBBER POWERED MODELS ALSO CO-2 ENGINES BLIMPS ELECTRIC AND MORE FULL C4T4LOC $209 NEW NO 619 448-1818 j Peck-Pelymers - BOX 2498 -MA LA MESA CA 920414 I2 includes postage & 8 TOr Engine rework Youd better off spending time practicing racing pitting trying polish re-time soup intake restrictions new engine runs well anything else Ive seen Three-up Control Line Racing too much fun let slip away under horse power curve Quickie Rat captures excitement fun Racing does atmosphere promotes success appeals levels competitors would like hear anyone suggestions comments Frank Williams 710 Silverpines Houston TX 77062 phone 713-488-1371 Elec Champs/Naccarato Continued page 79 RC Old-Timer Seven-Cell 1 Paul Hingtgen Playboy Astro Co 05 7x800mAh Sanyo 2020 pts 2 Bob Sliff Playboy Astro Co 05 7x800mAh Sanyo 2008 pta 3 Larry Jolly Interceptor Aatro Co 05 7x800mAh Sanyo 1996 pta 4 Chuck Hollinger Nomad Astro Co 05 7x800mAh Sanyo 1865 pta 5 Jim Hall Playboy Leisure 05 7x800 mAl Sanyo 1860 pta RC Old-Timer Open 1 Mike Charles Super Quaker Aatro Co 60 26x800mAh Sanyo 2020 pta 2 Frank Chasteler Lanzo Keller 351 6x800 nAh Sanyo 2020 pta 3 Ross Thomas Lanzo Astro Co 40 26x800mAh Sanyo 2013 pta 4 Lowell Howe Sunduater Astro Co 251 6x800mAh Sanyo 1660 pta 5 Larry Jolly Interceptor Astro Co 05 7x800mAh Sanyo 1619 pta RC Stand-Off Scale 1 Bill Young Stephens Akro Aatro Co 60 3Oxl200mAh Sanyo 204 pta 2 Brian Chan Bede-5N Keller 25 l4xl200mAh Sanyo 177 pta 2 Ken Holcomb PorterfieldAatroSF 15 1 2x1 200mAh Sanyo 135 pta 3 Tony Naccarato J-3 Cub Astro Co 60 28xl200mAh Sanyo 129 pta 4 Bob Sliff Monocoupe Astro SF 40 18x l200mAh Sanyo 127 pta RC Aerobatics 1Steve Neu MKArrow Keller 50 14x1 200mAh GE 150 pta 2 Larry Jolly XC-40 Keller8O 26x1 200mAh GE 145 pta 4 Ed Depue Etude Astro 05 7x1 200mAh Sanyo 71 pta 4 Bob Sliff Snark Astro 05 7x1 200mAh Sanyo 50 pta RC Pylon Racing Seven-Cell 1 Larry Jolly Ohmen Astro Co 05 7x1 200mAh Sanyo 8 pta 2 Lowell Howe Fast Eddy Astro Co 05 7x1 200mAh Sanyo 6 pta 3 Mike Charles Avanti Keller 25 7xl200mAh GE 3 pta 4 Steve Neu original Keller 25 7xl200mAh Sanyo 3 pta Load Tests/Myers Continued page 81 frame will show two blurred images happens because TV image really made interlacing two pictures made 1/60th second apart described above Exposure time TV pic ture effectively 1/60th second movie camera can obtain similar formation double images since movie cameras make whole frame once Silent movies usually taken 18 frames per second sound movies taken 24 frames per second both exposed 1/40th second assuming using Kodachrome film Video USA always 30 frames per second interlaced described above movie camera has slow motion capability may get 36 54 frames per second shorter exposure like 1/90th 1/200th second Some home movie cam eras can synchronized strobe units light briefly 1/50000th second Short exposures can minimize blurring relative both TV image common movie camera exposure time 1/40th second Thats enough about simple instrumentation sample test drop testing airplane having performance characteristics akeady well known can accomplish two things can demonstrate method works can validate procedure convince correlation between what see test what see service preparing article made series free drops onto turf using Spickler Quicky 500 flown times built kit included stock wire landing gear videotape shows two feet drop height gear let belly fuselage hit ground plane bounced foot air hit again tail skid slammed down bounced couple times wheels Experienced Quicky 500 fliers will testify make such landing will indeed break prop After bouncing stopped landing gear rest plane looked undamaged except dents wheels went up through wing leading edge bottom sheeting same thing happened drops up five feet except belly hit harder prop turning would have broken just about drop test corresponds flight experiences Now would say landing gear passed failed drop test After repairing wing few times buying bunch props might decide stiffer landing gear would help situation course can land better wont have trouble Thus might might evaluate drop test results failure landing gear neither tore out airplane nor sep arated two loose pieces Given favorable landing conditions skillful pilot possible land Quicky 500 breaking prop Lots fliers discussion reader should also aware design aircraft model full-size mixture com promises ideal situation aspect may detrimental another Quicky 500 gear somewhat springy allows placing wheels near CG improved takeoffs opposite side coin very stiff landing gear might ripped off causing damage subjected landing condition type would make wheels dent Quicky 500 wing Regardiess evaluate landing gear would call successful proof test airplane wasnt broken testing over consider wing damage secondary dam age due flexibility landing August 1986 157 C C C U 1 I m z 0 z z C, 0 -a 0 -U m I m C- Q 0 0 -I CD U 0 0 C -00 C 0 U 0 Lij N CD 0 31 x 0 x N
Edition: Model Aviation - 1986/08
Page Numbers: 72, 73, 74, 156, 157
TEXAS WRU RAT L does take close competition good flier turnout new experimental categoryalready being flown various forms around countryto unofficially flown years Nats first time may vehicle put fun numbers back Control Line Racing U Frank Williams Three-up racing Control Line models doubt exciting forms model aircraft competition Twen ty-five years ago Control Line flying flourishing Rat Racing attracted com petitors areas modeling though form racing often took day run event because entries planes could built flown average modeler didnt need engineering degree design workings muscles like Charles Atlas fly Things just simpler Unfortunately outdid ourselves striv ing horsepower cleaner faster airplanes such Never daring take step backward went faster faster finally arriving two-up speed Isnt interesting RC has become popular recent years has drawn away competitors wonder what has happened CL Racing has caused What need to get back basicsto racing emphasizes sport racing need races like 25 years ago much fun races could flown three four us time planes didnt necessarily take special pilot handle pull Almost definition races can flown three-up will physically within reach people thoughtful attention rules can legislate simple airframe build around inexpensive available engines kind racing promotes success area country has attempted form another develop ing local sport race events order provide entry level racing event also format three-up racing skill levels enjoy Northwest Sport Race Florida Slow Rat ACLA Slow Rat Fox Goldberg Midwest Sport Race Big Good year Formula Unlimited Texas Quickie Rat evolved fill need have proven successful part 72 Model Aviation Models simple design based Rat Racers 19608 Control Line racing enjoying its heyday coiorfui red white biue Texas flag paint schemewas done K&B Superpoxy paint its simple buiid easyto fiyatthe siower racing 100mph speeds doesnt take super quick speeds make racing fun What NO OCR TEXT Full-Size Plans Available. See Page 162 TEXAS QUICKIE RAT SCRAP BALSA FILLER I/B ALUMINUM MOTOR PLATE I/B PLYWOOD BACKPL ATE USE BLIND MOUNTING NUTS EXTERNAL LINE032 SOLiD1/4 PLYWOOD2 BELLCRANK CONNECTIONS RODLEADOUTSCENTER SPAREXPOSED I/B PLYWOOD---- LEADOUT SUIDE THIS BESS IS MADE AFTER FINAL ASSEMBLY NOTCH IN/ WIRE CATCHESRN HERE UL SOLDER EYELET TRIP WIRERINS PULL FUEL SHUT-OFF II/I67-64 DRILL 4 3/B040 STAINLESS ~BRACKET MNT HOLES IBEND WIRE OUT 01/OF PLANE TO PROVIDE AUTO RESET IIfl FILE NOTCH IS WiRE WITH CUTOFF 3/32 MUSIC WIRE 1 ii E 1/16 PLY RUDDER TEXAS cNYLON TAPE ULCIE 1/16 PLY RUDDER STABI LIZER4i 315 MAXIMUM VENTURI BORE /WITH 155 MIS SPRAY BAR THROUGH CENTER MOTOR FRONT INTAKE SINGLE BYPASS DISPLACEMENT K B 40 SHOWN SHUT-OFF MODEL AVIATION TEXAS QUICKIE RAT DRAWING BY FRANK WILLIAMS TRACING BY JOE DEMARCO ALL RIGHTS RESERVED WING IS I/A MEDIUM BALSA OVER 1/32 PLYWOOD BOTTOM SKIS / NOTE WINS MAY BE COVERED WITH 15 02 DLXXX CLOTH .- LOCATION OF OPTIONAL FUEL TANKA--TRAILING EDGE DOWNSECTION AA K B K QUICK3/B I/U MAPLE UPPER FILLMOTOR MOUNT FUSELASE TOP-FUEL SHUT-OFF1/32 PLYWOOD WINS BABOTTOM SKIN _____________3/B 1/2 MAPLE MOTOR SO BEND IN UPPER END OF LG WIRE _______ ____________________________________________________________[v32][b1423139911700]]I/B ALUMINUMRECESS FOR MOTOR PLATE 0I2345 ______________________FRONT END DETAIL ATORri SEWN/ HISSESNYLON HORNSTABILIZER AND ELEVATOR FROM I/B BASSWOOD engine original engine manu facturer What taking advantage wealth inexpensive sport 40 RC en ginesK&B OS Enya Webra ST name few fact weve run out 35s K&B 35 isnt available anymore since ringed engine about choice Sport Racing events Sure everyone has Fox Combat Special could base class racing event around what makes racing fun having engine start pitting situation ringed engine generally will lapped engine poor choice hot pits class ringed 40s has proven excellent source Control Line Racing engines inexpensive $45-$65 easily available both new used great starters proper ven turi specification horsepower output can easily controlled problem draw racing cant stop drilling out venturi until other guy does know wont get airspeed need competitive youve got get much air possible engine After can no longer get reliable needle setting just running pits youve got set needle air Next worry Will have enough draw get off ground Since Sport racing events have outlawed inboard tanks swing-weight carbs finally resort Ive seen done little thumb over venturi starts quick throw air Oh gosh sounded simple draw As turns out sport 40s left run draw drilled-out venturis would generate power want need achieve 95 100-mph speed So killed two birds stone speci fied maximun venturi bore minimum spraybar size limited power output engine same time promoted success competitors giving event engine/venturi combi nation anyone can easily needle ground venturi regulation come think about necessary internal combustion racing long run ergo carburetor plates auto racing matter could race current Fast Rats three-up proper venturi speci fication changing anything else start running faster youd like next year just knock off thousandth venturi bore Quickie Rat weve arrived venturi bore 315 %6 drill plus little slop minimum spraybar di ameter 155 spraybar going Continued page 156 74 Model Aviation Don Cranfili Ron Esman Richard Stubbiefleld another hotly-contested race Threeup Control Line Racing just too much fun let slip under horsepower curve Get yours ready 1986 Nats event time best spent practicing flying AMA WiNG NUMBERS AMA number single decal Ready apply AMA171120L1 Black letters Clear plastic peel & stIck CL Speed/Hem pel Continued page 71 ucts larger-sized jets will have machined Use brass 10-32 machine screw Cut desired length drill out almost entire length No 42 drill bit drill very last portion desired drill size Machine off enough threads fuel tub ing slide Starting procedure Utilizing fuel mixtures listed previously engine very easy start Attach air supply Model T coil ignition Raise nose model about 450 turn coil pump should start two four pumps Launching model simply letting go either straight ahead angled out slightly very important pilot back up keep lines tight first l/ lap Remember thrust push behind rather pull line tension must maintained until speed builds up centrifugal force keeps model mov ing straight fly model 65-ft 018 single-strand solid wire two pieces equipment will need normally modelers tool box piece lA-in steel pipe good hammer jet pipes bend hard land ing can straightened forcing pipe inside jet pipe smoothing out dents hammer Give Jet try might just get hooked first weekend out put over 30 flights SupplIers needed supplies Sears Auto Centerhigh-volume tire pump JC Whitney Model T ignition coil Paint storeMEK stan dard brands chain Jet EngineP&G Metal Products 301 North Yale Dr Garland TX 70542 months column written help Charlie Davis noted Jet modeler Speed flier has motivation behind hav ing fun flying Speed instead stand ing front milling machine lathe months column copyright 1986 Gene Hempel Gene Hempel 301 N Yale Dr Garland TX 75042 Quickie Rat/Williams Continued page 74 through center venturi goes saying rules prohibit troduction air engine through passage other venturi designate minimum length above below spraybar specified bore must maintained also supply 10% fuel event requirements allow us race comfortably 100-mph range provide us simple reliable system promotes success competitors no matter what level Clear Lake Line Winders plan sponsor Quickie Rat unofficial event Lake Charles Nats summer youre going Nats wed like have come race us Construction airplane pretty straightforward just arent whole lot parts deal wont take couple days build wing built epoxying Tite bonding piece -in medium-to-firm balsa onto 2-in plywood wing bottom bottom should continuous piece plywood dont butt two 12-in pieces gether center can substitute 1/16 plywood wing bottom like used build way Ive decided 2 works just well saves some weight Rout out center balsa down plywood through inset the-in plywood belicrank mount/main spar epoxy After has cured sand wing shape bringing trailing edge down plywood skin construction method gives fairly light rigid wing trailing edge firm enough grasped during pitting damage Rout out recess outboard tip bury about 1 oz lead wing tip like wing can covered layer 1 5-oz glass cloth adhered K&B clear Superpoxy fuselage isnt evenings work either engine mounts fuselage Youll need piece 18in maple upper engine mount shorter piece lower Fill between mounts -in balsa add -in ply wood sub-rudder/tail skid piece plywood inboard side engine take power sander Rout recess fuselage/engine mounts landing gear wire lay same time cut engine plate -in aluminum fit engine Bend landing gear wire upper end fits upper engine mount bend will keep rotating aluminum engine plate holds place Ive using tAz music wire forthe landing gear also works fine stab elevator cut -in basswood Ive shown sewn hinges anything will Add Vt-in plywood rudder like Mount wing stab fuselage using liberal amounts epoxy nylon tape check carefully proper alignment like wing go through fuselage rather mounted top upper engine mount its just safer sturdier Add -in plywood lead-out gnide youre just about done woodwork Give whole thing couple coats K&B Superpoxy clear set aside thats left build tank shut off favorite type tip skids like bolt bellcrank Ive re cently taken using silicone sealer attach tank body course standard add some hooks rubberband thing does give easy access repair leaks like since arent running pressure thats just critical planes really quite durable have eight years old use loaner 156 Model Aviation r ROUSH KITS TaylorCraft Full span 108 Area 1670 Clipped 84 Area 1300 Power 75 12 Cu Bales & Pl 2 lbs $11995 Super Sport 120 Span 73 Area 960 Power 75 12 cv $9995 Super Kwik Fli Span 70 Area 927 Power 75 12 Cu $8995 Two Ugly Stick span 70 Area 1290 Power 75 12 Cu $9995 Jr Sticks span 72 Area 1060 Power 75 12 Cu $7995 Direct Sales Only Prices Include Shipping Send $100 Catalog ROUSH MFG 1726 Dywood St SE Canton Ohio 44707 2104644610 RUBBER POWERED FLYING MODELS KITS S SSORIES KITSTISSUE -LUBE-PROPELLERS SHAFTS BEARINGS WHEELS LARGE CATALOG OF QUALITY SUPPLIES KITS AND PLANS FOR RUBBER POWERED MODELS ALSO CO-2 ENGINES BLIMPS ELECTRIC AND MORE FULL C4T4LOC $209 NEW NO 619 448-1818 j Peck-Pelymers - BOX 2498 -MA LA MESA CA 920414 I2 includes postage & 8 TOr Engine rework Youd better off spending time practicing racing pitting trying polish re-time soup intake restrictions new engine runs well anything else Ive seen Three-up Control Line Racing too much fun let slip away under horse power curve Quickie Rat captures excitement fun Racing does atmosphere promotes success appeals levels competitors would like hear anyone suggestions comments Frank Williams 710 Silverpines Houston TX 77062 phone 713-488-1371 Elec Champs/Naccarato Continued page 79 RC Old-Timer Seven-Cell 1 Paul Hingtgen Playboy Astro Co 05 7x800mAh Sanyo 2020 pts 2 Bob Sliff Playboy Astro Co 05 7x800mAh Sanyo 2008 pta 3 Larry Jolly Interceptor Aatro Co 05 7x800mAh Sanyo 1996 pta 4 Chuck Hollinger Nomad Astro Co 05 7x800mAh Sanyo 1865 pta 5 Jim Hall Playboy Leisure 05 7x800 mAl Sanyo 1860 pta RC Old-Timer Open 1 Mike Charles Super Quaker Aatro Co 60 26x800mAh Sanyo 2020 pta 2 Frank Chasteler Lanzo Keller 351 6x800 nAh Sanyo 2020 pta 3 Ross Thomas Lanzo Astro Co 40 26x800mAh Sanyo 2013 pta 4 Lowell Howe Sunduater Astro Co 251 6x800mAh Sanyo 1660 pta 5 Larry Jolly Interceptor Astro Co 05 7x800mAh Sanyo 1619 pta RC Stand-Off Scale 1 Bill Young Stephens Akro Aatro Co 60 3Oxl200mAh Sanyo 204 pta 2 Brian Chan Bede-5N Keller 25 l4xl200mAh Sanyo 177 pta 2 Ken Holcomb PorterfieldAatroSF 15 1 2x1 200mAh Sanyo 135 pta 3 Tony Naccarato J-3 Cub Astro Co 60 28xl200mAh Sanyo 129 pta 4 Bob Sliff Monocoupe Astro SF 40 18x l200mAh Sanyo 127 pta RC Aerobatics 1Steve Neu MKArrow Keller 50 14x1 200mAh GE 150 pta 2 Larry Jolly XC-40 Keller8O 26x1 200mAh GE 145 pta 4 Ed Depue Etude Astro 05 7x1 200mAh Sanyo 71 pta 4 Bob Sliff Snark Astro 05 7x1 200mAh Sanyo 50 pta RC Pylon Racing Seven-Cell 1 Larry Jolly Ohmen Astro Co 05 7x1 200mAh Sanyo 8 pta 2 Lowell Howe Fast Eddy Astro Co 05 7x1 200mAh Sanyo 6 pta 3 Mike Charles Avanti Keller 25 7xl200mAh GE 3 pta 4 Steve Neu original Keller 25 7xl200mAh Sanyo 3 pta Load Tests/Myers Continued page 81 frame will show two blurred images happens because TV image really made interlacing two pictures made 1/60th second apart described above Exposure time TV pic ture effectively 1/60th second movie camera can obtain similar formation double images since movie cameras make whole frame once Silent movies usually taken 18 frames per second sound movies taken 24 frames per second both exposed 1/40th second assuming using Kodachrome film Video USA always 30 frames per second interlaced described above movie camera has slow motion capability may get 36 54 frames per second shorter exposure like 1/90th 1/200th second Some home movie cam eras can synchronized strobe units light briefly 1/50000th second Short exposures can minimize blurring relative both TV image common movie camera exposure time 1/40th second Thats enough about simple instrumentation sample test drop testing airplane having performance characteristics akeady well known can accomplish two things can demonstrate method works can validate procedure convince correlation between what see test what see service preparing article made series free drops onto turf using Spickler Quicky 500 flown times built kit included stock wire landing gear videotape shows two feet drop height gear let belly fuselage hit ground plane bounced foot air hit again tail skid slammed down bounced couple times wheels Experienced Quicky 500 fliers will testify make such landing will indeed break prop After bouncing stopped landing gear rest plane looked undamaged except dents wheels went up through wing leading edge bottom sheeting same thing happened drops up five feet except belly hit harder prop turning would have broken just about drop test corresponds flight experiences Now would say landing gear passed failed drop test After repairing wing few times buying bunch props might decide stiffer landing gear would help situation course can land better wont have trouble Thus might might evaluate drop test results failure landing gear neither tore out airplane nor sep arated two loose pieces Given favorable landing conditions skillful pilot possible land Quicky 500 breaking prop Lots fliers discussion reader should also aware design aircraft model full-size mixture com promises ideal situation aspect may detrimental another Quicky 500 gear somewhat springy allows placing wheels near CG improved takeoffs opposite side coin very stiff landing gear might ripped off causing damage subjected landing condition type would make wheels dent Quicky 500 wing Regardiess evaluate landing gear would call successful proof test airplane wasnt broken testing over consider wing damage secondary dam age due flexibility landing August 1986 157 C C C U 1 I m z 0 z z C, 0 -a 0 -U m I m C- Q 0 0 -I CD U 0 0 C -00 C 0 U 0 Lij N CD 0 31 x 0 x N
Edition: Model Aviation - 1986/08
Page Numbers: 72, 73, 74, 156, 157
TEXAS WRU RAT L does take close competition good flier turnout new experimental categoryalready being flown various forms around countryto unofficially flown years Nats first time may vehicle put fun numbers back Control Line Racing U Frank Williams Three-up racing Control Line models doubt exciting forms model aircraft competition Twen ty-five years ago Control Line flying flourishing Rat Racing attracted com petitors areas modeling though form racing often took day run event because entries planes could built flown average modeler didnt need engineering degree design workings muscles like Charles Atlas fly Things just simpler Unfortunately outdid ourselves striv ing horsepower cleaner faster airplanes such Never daring take step backward went faster faster finally arriving two-up speed Isnt interesting RC has become popular recent years has drawn away competitors wonder what has happened CL Racing has caused What need to get back basicsto racing emphasizes sport racing need races like 25 years ago much fun races could flown three four us time planes didnt necessarily take special pilot handle pull Almost definition races can flown three-up will physically within reach people thoughtful attention rules can legislate simple airframe build around inexpensive available engines kind racing promotes success area country has attempted form another develop ing local sport race events order provide entry level racing event also format three-up racing skill levels enjoy Northwest Sport Race Florida Slow Rat ACLA Slow Rat Fox Goldberg Midwest Sport Race Big Good year Formula Unlimited Texas Quickie Rat evolved fill need have proven successful part 72 Model Aviation Models simple design based Rat Racers 19608 Control Line racing enjoying its heyday coiorfui red white biue Texas flag paint schemewas done K&B Superpoxy paint its simple buiid easyto fiyatthe siower racing 100mph speeds doesnt take super quick speeds make racing fun What NO OCR TEXT Full-Size Plans Available. See Page 162 TEXAS QUICKIE RAT SCRAP BALSA FILLER I/B ALUMINUM MOTOR PLATE I/B PLYWOOD BACKPL ATE USE BLIND MOUNTING NUTS EXTERNAL LINE032 SOLiD1/4 PLYWOOD2 BELLCRANK CONNECTIONS RODLEADOUTSCENTER SPAREXPOSED I/B PLYWOOD---- LEADOUT SUIDE THIS BESS IS MADE AFTER FINAL ASSEMBLY NOTCH IN/ WIRE CATCHESRN HERE UL SOLDER EYELET TRIP WIRERINS PULL FUEL SHUT-OFF II/I67-64 DRILL 4 3/B040 STAINLESS ~BRACKET MNT HOLES IBEND WIRE OUT 01/OF PLANE TO PROVIDE AUTO RESET IIfl FILE NOTCH IS WiRE WITH CUTOFF 3/32 MUSIC WIRE 1 ii E 1/16 PLY RUDDER TEXAS cNYLON TAPE ULCIE 1/16 PLY RUDDER STABI LIZER4i 315 MAXIMUM VENTURI BORE /WITH 155 MIS SPRAY BAR THROUGH CENTER MOTOR FRONT INTAKE SINGLE BYPASS DISPLACEMENT K B 40 SHOWN SHUT-OFF MODEL AVIATION TEXAS QUICKIE RAT DRAWING BY FRANK WILLIAMS TRACING BY JOE DEMARCO ALL RIGHTS RESERVED WING IS I/A MEDIUM BALSA OVER 1/32 PLYWOOD BOTTOM SKIS / NOTE WINS MAY BE COVERED WITH 15 02 DLXXX CLOTH .- LOCATION OF OPTIONAL FUEL TANKA--TRAILING EDGE DOWNSECTION AA K B K QUICK3/B I/U MAPLE UPPER FILLMOTOR MOUNT FUSELASE TOP-FUEL SHUT-OFF1/32 PLYWOOD WINS BABOTTOM SKIN _____________3/B 1/2 MAPLE MOTOR SO BEND IN UPPER END OF LG WIRE _______ ____________________________________________________________[v32][b1423139911700]]I/B ALUMINUMRECESS FOR MOTOR PLATE 0I2345 ______________________FRONT END DETAIL ATORri SEWN/ HISSESNYLON HORNSTABILIZER AND ELEVATOR FROM I/B BASSWOOD engine original engine manu facturer What taking advantage wealth inexpensive sport 40 RC en ginesK&B OS Enya Webra ST name few fact weve run out 35s K&B 35 isnt available anymore since ringed engine about choice Sport Racing events Sure everyone has Fox Combat Special could base class racing event around what makes racing fun having engine start pitting situation ringed engine generally will lapped engine poor choice hot pits class ringed 40s has proven excellent source Control Line Racing engines inexpensive $45-$65 easily available both new used great starters proper ven turi specification horsepower output can easily controlled problem draw racing cant stop drilling out venturi until other guy does know wont get airspeed need competitive youve got get much air possible engine After can no longer get reliable needle setting just running pits youve got set needle air Next worry Will have enough draw get off ground Since Sport racing events have outlawed inboard tanks swing-weight carbs finally resort Ive seen done little thumb over venturi starts quick throw air Oh gosh sounded simple draw As turns out sport 40s left run draw drilled-out venturis would generate power want need achieve 95 100-mph speed So killed two birds stone speci fied maximun venturi bore minimum spraybar size limited power output engine same time promoted success competitors giving event engine/venturi combi nation anyone can easily needle ground venturi regulation come think about necessary internal combustion racing long run ergo carburetor plates auto racing matter could race current Fast Rats three-up proper venturi speci fication changing anything else start running faster youd like next year just knock off thousandth venturi bore Quickie Rat weve arrived venturi bore 315 %6 drill plus little slop minimum spraybar di ameter 155 spraybar going Continued page 156 74 Model Aviation Don Cranfili Ron Esman Richard Stubbiefleld another hotly-contested race Threeup Control Line Racing just too much fun let slip under horsepower curve Get yours ready 1986 Nats event time best spent practicing flying AMA WiNG NUMBERS AMA number single decal Ready apply AMA171120L1 Black letters Clear plastic peel & stIck CL Speed/Hem pel Continued page 71 ucts larger-sized jets will have machined Use brass 10-32 machine screw Cut desired length drill out almost entire length No 42 drill bit drill very last portion desired drill size Machine off enough threads fuel tub ing slide Starting procedure Utilizing fuel mixtures listed previously engine very easy start Attach air supply Model T coil ignition Raise nose model about 450 turn coil pump should start two four pumps Launching model simply letting go either straight ahead angled out slightly very important pilot back up keep lines tight first l/ lap Remember thrust push behind rather pull line tension must maintained until speed builds up centrifugal force keeps model mov ing straight fly model 65-ft 018 single-strand solid wire two pieces equipment will need normally modelers tool box piece lA-in steel pipe good hammer jet pipes bend hard land ing can straightened forcing pipe inside jet pipe smoothing out dents hammer Give Jet try might just get hooked first weekend out put over 30 flights SupplIers needed supplies Sears Auto Centerhigh-volume tire pump JC Whitney Model T ignition coil Paint storeMEK stan dard brands chain Jet EngineP&G Metal Products 301 North Yale Dr Garland TX 70542 months column written help Charlie Davis noted Jet modeler Speed flier has motivation behind hav ing fun flying Speed instead stand ing front milling machine lathe months column copyright 1986 Gene Hempel Gene Hempel 301 N Yale Dr Garland TX 75042 Quickie Rat/Williams Continued page 74 through center venturi goes saying rules prohibit troduction air engine through passage other venturi designate minimum length above below spraybar specified bore must maintained also supply 10% fuel event requirements allow us race comfortably 100-mph range provide us simple reliable system promotes success competitors no matter what level Clear Lake Line Winders plan sponsor Quickie Rat unofficial event Lake Charles Nats summer youre going Nats wed like have come race us Construction airplane pretty straightforward just arent whole lot parts deal wont take couple days build wing built epoxying Tite bonding piece -in medium-to-firm balsa onto 2-in plywood wing bottom bottom should continuous piece plywood dont butt two 12-in pieces gether center can substitute 1/16 plywood wing bottom like used build way Ive decided 2 works just well saves some weight Rout out center balsa down plywood through inset the-in plywood belicrank mount/main spar epoxy After has cured sand wing shape bringing trailing edge down plywood skin construction method gives fairly light rigid wing trailing edge firm enough grasped during pitting damage Rout out recess outboard tip bury about 1 oz lead wing tip like wing can covered layer 1 5-oz glass cloth adhered K&B clear Superpoxy fuselage isnt evenings work either engine mounts fuselage Youll need piece 18in maple upper engine mount shorter piece lower Fill between mounts -in balsa add -in ply wood sub-rudder/tail skid piece plywood inboard side engine take power sander Rout recess fuselage/engine mounts landing gear wire lay same time cut engine plate -in aluminum fit engine Bend landing gear wire upper end fits upper engine mount bend will keep rotating aluminum engine plate holds place Ive using tAz music wire forthe landing gear also works fine stab elevator cut -in basswood Ive shown sewn hinges anything will Add Vt-in plywood rudder like Mount wing stab fuselage using liberal amounts epoxy nylon tape check carefully proper alignment like wing go through fuselage rather mounted top upper engine mount its just safer sturdier Add -in plywood lead-out gnide youre just about done woodwork Give whole thing couple coats K&B Superpoxy clear set aside thats left build tank shut off favorite type tip skids like bolt bellcrank Ive re cently taken using silicone sealer attach tank body course standard add some hooks rubberband thing does give easy access repair leaks like since arent running pressure thats just critical planes really quite durable have eight years old use loaner 156 Model Aviation r ROUSH KITS TaylorCraft Full span 108 Area 1670 Clipped 84 Area 1300 Power 75 12 Cu Bales & Pl 2 lbs $11995 Super Sport 120 Span 73 Area 960 Power 75 12 cv $9995 Super Kwik Fli Span 70 Area 927 Power 75 12 Cu $8995 Two Ugly Stick span 70 Area 1290 Power 75 12 Cu $9995 Jr Sticks span 72 Area 1060 Power 75 12 Cu $7995 Direct Sales Only Prices Include Shipping Send $100 Catalog ROUSH MFG 1726 Dywood St SE Canton Ohio 44707 2104644610 RUBBER POWERED FLYING MODELS KITS S SSORIES KITSTISSUE -LUBE-PROPELLERS SHAFTS BEARINGS WHEELS LARGE CATALOG OF QUALITY SUPPLIES KITS AND PLANS FOR RUBBER POWERED MODELS ALSO CO-2 ENGINES BLIMPS ELECTRIC AND MORE FULL C4T4LOC $209 NEW NO 619 448-1818 j Peck-Pelymers - BOX 2498 -MA LA MESA CA 920414 I2 includes postage & 8 TOr Engine rework Youd better off spending time practicing racing pitting trying polish re-time soup intake restrictions new engine runs well anything else Ive seen Three-up Control Line Racing too much fun let slip away under horse power curve Quickie Rat captures excitement fun Racing does atmosphere promotes success appeals levels competitors would like hear anyone suggestions comments Frank Williams 710 Silverpines Houston TX 77062 phone 713-488-1371 Elec Champs/Naccarato Continued page 79 RC Old-Timer Seven-Cell 1 Paul Hingtgen Playboy Astro Co 05 7x800mAh Sanyo 2020 pts 2 Bob Sliff Playboy Astro Co 05 7x800mAh Sanyo 2008 pta 3 Larry Jolly Interceptor Aatro Co 05 7x800mAh Sanyo 1996 pta 4 Chuck Hollinger Nomad Astro Co 05 7x800mAh Sanyo 1865 pta 5 Jim Hall Playboy Leisure 05 7x800 mAl Sanyo 1860 pta RC Old-Timer Open 1 Mike Charles Super Quaker Aatro Co 60 26x800mAh Sanyo 2020 pta 2 Frank Chasteler Lanzo Keller 351 6x800 nAh Sanyo 2020 pta 3 Ross Thomas Lanzo Astro Co 40 26x800mAh Sanyo 2013 pta 4 Lowell Howe Sunduater Astro Co 251 6x800mAh Sanyo 1660 pta 5 Larry Jolly Interceptor Astro Co 05 7x800mAh Sanyo 1619 pta RC Stand-Off Scale 1 Bill Young Stephens Akro Aatro Co 60 3Oxl200mAh Sanyo 204 pta 2 Brian Chan Bede-5N Keller 25 l4xl200mAh Sanyo 177 pta 2 Ken Holcomb PorterfieldAatroSF 15 1 2x1 200mAh Sanyo 135 pta 3 Tony Naccarato J-3 Cub Astro Co 60 28xl200mAh Sanyo 129 pta 4 Bob Sliff Monocoupe Astro SF 40 18x l200mAh Sanyo 127 pta RC Aerobatics 1Steve Neu MKArrow Keller 50 14x1 200mAh GE 150 pta 2 Larry Jolly XC-40 Keller8O 26x1 200mAh GE 145 pta 4 Ed Depue Etude Astro 05 7x1 200mAh Sanyo 71 pta 4 Bob Sliff Snark Astro 05 7x1 200mAh Sanyo 50 pta RC Pylon Racing Seven-Cell 1 Larry Jolly Ohmen Astro Co 05 7x1 200mAh Sanyo 8 pta 2 Lowell Howe Fast Eddy Astro Co 05 7x1 200mAh Sanyo 6 pta 3 Mike Charles Avanti Keller 25 7xl200mAh GE 3 pta 4 Steve Neu original Keller 25 7xl200mAh Sanyo 3 pta Load Tests/Myers Continued page 81 frame will show two blurred images happens because TV image really made interlacing two pictures made 1/60th second apart described above Exposure time TV pic ture effectively 1/60th second movie camera can obtain similar formation double images since movie cameras make whole frame once Silent movies usually taken 18 frames per second sound movies taken 24 frames per second both exposed 1/40th second assuming using Kodachrome film Video USA always 30 frames per second interlaced described above movie camera has slow motion capability may get 36 54 frames per second shorter exposure like 1/90th 1/200th second Some home movie cam eras can synchronized strobe units light briefly 1/50000th second Short exposures can minimize blurring relative both TV image common movie camera exposure time 1/40th second Thats enough about simple instrumentation sample test drop testing airplane having performance characteristics akeady well known can accomplish two things can demonstrate method works can validate procedure convince correlation between what see test what see service preparing article made series free drops onto turf using Spickler Quicky 500 flown times built kit included stock wire landing gear videotape shows two feet drop height gear let belly fuselage hit ground plane bounced foot air hit again tail skid slammed down bounced couple times wheels Experienced Quicky 500 fliers will testify make such landing will indeed break prop After bouncing stopped landing gear rest plane looked undamaged except dents wheels went up through wing leading edge bottom sheeting same thing happened drops up five feet except belly hit harder prop turning would have broken just about drop test corresponds flight experiences Now would say landing gear passed failed drop test After repairing wing few times buying bunch props might decide stiffer landing gear would help situation course can land better wont have trouble Thus might might evaluate drop test results failure landing gear neither tore out airplane nor sep arated two loose pieces Given favorable landing conditions skillful pilot possible land Quicky 500 breaking prop Lots fliers discussion reader should also aware design aircraft model full-size mixture com promises ideal situation aspect may detrimental another Quicky 500 gear somewhat springy allows placing wheels near CG improved takeoffs opposite side coin very stiff landing gear might ripped off causing damage subjected landing condition type would make wheels dent Quicky 500 wing Regardiess evaluate landing gear would call successful proof test airplane wasnt broken testing over consider wing damage secondary dam age due flexibility landing August 1986 157 C C C U 1 I m z 0 z z C, 0 -a 0 -U m I m C- Q 0 0 -I CD U 0 0 C -00 C 0 U 0 Lij N CD 0 31 x 0 x N
Edition: Model Aviation - 1986/08
Page Numbers: 72, 73, 74, 156, 157
TEXAS WRU RAT L does take close competition good flier turnout new experimental categoryalready being flown various forms around countryto unofficially flown years Nats first time may vehicle put fun numbers back Control Line Racing U Frank Williams Three-up racing Control Line models doubt exciting forms model aircraft competition Twen ty-five years ago Control Line flying flourishing Rat Racing attracted com petitors areas modeling though form racing often took day run event because entries planes could built flown average modeler didnt need engineering degree design workings muscles like Charles Atlas fly Things just simpler Unfortunately outdid ourselves striv ing horsepower cleaner faster airplanes such Never daring take step backward went faster faster finally arriving two-up speed Isnt interesting RC has become popular recent years has drawn away competitors wonder what has happened CL Racing has caused What need to get back basicsto racing emphasizes sport racing need races like 25 years ago much fun races could flown three four us time planes didnt necessarily take special pilot handle pull Almost definition races can flown three-up will physically within reach people thoughtful attention rules can legislate simple airframe build around inexpensive available engines kind racing promotes success area country has attempted form another develop ing local sport race events order provide entry level racing event also format three-up racing skill levels enjoy Northwest Sport Race Florida Slow Rat ACLA Slow Rat Fox Goldberg Midwest Sport Race Big Good year Formula Unlimited Texas Quickie Rat evolved fill need have proven successful part 72 Model Aviation Models simple design based Rat Racers 19608 Control Line racing enjoying its heyday coiorfui red white biue Texas flag paint schemewas done K&B Superpoxy paint its simple buiid easyto fiyatthe siower racing 100mph speeds doesnt take super quick speeds make racing fun What NO OCR TEXT Full-Size Plans Available. See Page 162 TEXAS QUICKIE RAT SCRAP BALSA FILLER I/B ALUMINUM MOTOR PLATE I/B PLYWOOD BACKPL ATE USE BLIND MOUNTING NUTS EXTERNAL LINE032 SOLiD1/4 PLYWOOD2 BELLCRANK CONNECTIONS RODLEADOUTSCENTER SPAREXPOSED I/B PLYWOOD---- LEADOUT SUIDE THIS BESS IS MADE AFTER FINAL ASSEMBLY NOTCH IN/ WIRE CATCHESRN HERE UL SOLDER EYELET TRIP WIRERINS PULL FUEL SHUT-OFF II/I67-64 DRILL 4 3/B040 STAINLESS ~BRACKET MNT HOLES IBEND WIRE OUT 01/OF PLANE TO PROVIDE AUTO RESET IIfl FILE NOTCH IS WiRE WITH CUTOFF 3/32 MUSIC WIRE 1 ii E 1/16 PLY RUDDER TEXAS cNYLON TAPE ULCIE 1/16 PLY RUDDER STABI LIZER4i 315 MAXIMUM VENTURI BORE /WITH 155 MIS SPRAY BAR THROUGH CENTER MOTOR FRONT INTAKE SINGLE BYPASS DISPLACEMENT K B 40 SHOWN SHUT-OFF MODEL AVIATION TEXAS QUICKIE RAT DRAWING BY FRANK WILLIAMS TRACING BY JOE DEMARCO ALL RIGHTS RESERVED WING IS I/A MEDIUM BALSA OVER 1/32 PLYWOOD BOTTOM SKIS / NOTE WINS MAY BE COVERED WITH 15 02 DLXXX CLOTH .- LOCATION OF OPTIONAL FUEL TANKA--TRAILING EDGE DOWNSECTION AA K B K QUICK3/B I/U MAPLE UPPER FILLMOTOR MOUNT FUSELASE TOP-FUEL SHUT-OFF1/32 PLYWOOD WINS BABOTTOM SKIN _____________3/B 1/2 MAPLE MOTOR SO BEND IN UPPER END OF LG WIRE _______ ____________________________________________________________[v32][b1423139911700]]I/B ALUMINUMRECESS FOR MOTOR PLATE 0I2345 ______________________FRONT END DETAIL ATORri SEWN/ HISSESNYLON HORNSTABILIZER AND ELEVATOR FROM I/B BASSWOOD engine original engine manu facturer What taking advantage wealth inexpensive sport 40 RC en ginesK&B OS Enya Webra ST name few fact weve run out 35s K&B 35 isnt available anymore since ringed engine about choice Sport Racing events Sure everyone has Fox Combat Special could base class racing event around what makes racing fun having engine start pitting situation ringed engine generally will lapped engine poor choice hot pits class ringed 40s has proven excellent source Control Line Racing engines inexpensive $45-$65 easily available both new used great starters proper ven turi specification horsepower output can easily controlled problem draw racing cant stop drilling out venturi until other guy does know wont get airspeed need competitive youve got get much air possible engine After can no longer get reliable needle setting just running pits youve got set needle air Next worry Will have enough draw get off ground Since Sport racing events have outlawed inboard tanks swing-weight carbs finally resort Ive seen done little thumb over venturi starts quick throw air Oh gosh sounded simple draw As turns out sport 40s left run draw drilled-out venturis would generate power want need achieve 95 100-mph speed So killed two birds stone speci fied maximun venturi bore minimum spraybar size limited power output engine same time promoted success competitors giving event engine/venturi combi nation anyone can easily needle ground venturi regulation come think about necessary internal combustion racing long run ergo carburetor plates auto racing matter could race current Fast Rats three-up proper venturi speci fication changing anything else start running faster youd like next year just knock off thousandth venturi bore Quickie Rat weve arrived venturi bore 315 %6 drill plus little slop minimum spraybar di ameter 155 spraybar going Continued page 156 74 Model Aviation Don Cranfili Ron Esman Richard Stubbiefleld another hotly-contested race Threeup Control Line Racing just too much fun let slip under horsepower curve Get yours ready 1986 Nats event time best spent practicing flying AMA WiNG NUMBERS AMA number single decal Ready apply AMA171120L1 Black letters Clear plastic peel & stIck CL Speed/Hem pel Continued page 71 ucts larger-sized jets will have machined Use brass 10-32 machine screw Cut desired length drill out almost entire length No 42 drill bit drill very last portion desired drill size Machine off enough threads fuel tub ing slide Starting procedure Utilizing fuel mixtures listed previously engine very easy start Attach air supply Model T coil ignition Raise nose model about 450 turn coil pump should start two four pumps Launching model simply letting go either straight ahead angled out slightly very important pilot back up keep lines tight first l/ lap Remember thrust push behind rather pull line tension must maintained until speed builds up centrifugal force keeps model mov ing straight fly model 65-ft 018 single-strand solid wire two pieces equipment will need normally modelers tool box piece lA-in steel pipe good hammer jet pipes bend hard land ing can straightened forcing pipe inside jet pipe smoothing out dents hammer Give Jet try might just get hooked first weekend out put over 30 flights SupplIers needed supplies Sears Auto Centerhigh-volume tire pump JC Whitney Model T ignition coil Paint storeMEK stan dard brands chain Jet EngineP&G Metal Products 301 North Yale Dr Garland TX 70542 months column written help Charlie Davis noted Jet modeler Speed flier has motivation behind hav ing fun flying Speed instead stand ing front milling machine lathe months column copyright 1986 Gene Hempel Gene Hempel 301 N Yale Dr Garland TX 75042 Quickie Rat/Williams Continued page 74 through center venturi goes saying rules prohibit troduction air engine through passage other venturi designate minimum length above below spraybar specified bore must maintained also supply 10% fuel event requirements allow us race comfortably 100-mph range provide us simple reliable system promotes success competitors no matter what level Clear Lake Line Winders plan sponsor Quickie Rat unofficial event Lake Charles Nats summer youre going Nats wed like have come race us Construction airplane pretty straightforward just arent whole lot parts deal wont take couple days build wing built epoxying Tite bonding piece -in medium-to-firm balsa onto 2-in plywood wing bottom bottom should continuous piece plywood dont butt two 12-in pieces gether center can substitute 1/16 plywood wing bottom like used build way Ive decided 2 works just well saves some weight Rout out center balsa down plywood through inset the-in plywood belicrank mount/main spar epoxy After has cured sand wing shape bringing trailing edge down plywood skin construction method gives fairly light rigid wing trailing edge firm enough grasped during pitting damage Rout out recess outboard tip bury about 1 oz lead wing tip like wing can covered layer 1 5-oz glass cloth adhered K&B clear Superpoxy fuselage isnt evenings work either engine mounts fuselage Youll need piece 18in maple upper engine mount shorter piece lower Fill between mounts -in balsa add -in ply wood sub-rudder/tail skid piece plywood inboard side engine take power sander Rout recess fuselage/engine mounts landing gear wire lay same time cut engine plate -in aluminum fit engine Bend landing gear wire upper end fits upper engine mount bend will keep rotating aluminum engine plate holds place Ive using tAz music wire forthe landing gear also works fine stab elevator cut -in basswood Ive shown sewn hinges anything will Add Vt-in plywood rudder like Mount wing stab fuselage using liberal amounts epoxy nylon tape check carefully proper alignment like wing go through fuselage rather mounted top upper engine mount its just safer sturdier Add -in plywood lead-out gnide youre just about done woodwork Give whole thing couple coats K&B Superpoxy clear set aside thats left build tank shut off favorite type tip skids like bolt bellcrank Ive re cently taken using silicone sealer attach tank body course standard add some hooks rubberband thing does give easy access repair leaks like since arent running pressure thats just critical planes really quite durable have eight years old use loaner 156 Model Aviation r ROUSH KITS TaylorCraft Full span 108 Area 1670 Clipped 84 Area 1300 Power 75 12 Cu Bales & Pl 2 lbs $11995 Super Sport 120 Span 73 Area 960 Power 75 12 cv $9995 Super Kwik Fli Span 70 Area 927 Power 75 12 Cu $8995 Two Ugly Stick span 70 Area 1290 Power 75 12 Cu $9995 Jr Sticks span 72 Area 1060 Power 75 12 Cu $7995 Direct Sales Only Prices Include Shipping Send $100 Catalog ROUSH MFG 1726 Dywood St SE Canton Ohio 44707 2104644610 RUBBER POWERED FLYING MODELS KITS S SSORIES KITSTISSUE -LUBE-PROPELLERS SHAFTS BEARINGS WHEELS LARGE CATALOG OF QUALITY SUPPLIES KITS AND PLANS FOR RUBBER POWERED MODELS ALSO CO-2 ENGINES BLIMPS ELECTRIC AND MORE FULL C4T4LOC $209 NEW NO 619 448-1818 j Peck-Pelymers - BOX 2498 -MA LA MESA CA 920414 I2 includes postage & 8 TOr Engine rework Youd better off spending time practicing racing pitting trying polish re-time soup intake restrictions new engine runs well anything else Ive seen Three-up Control Line Racing too much fun let slip away under horse power curve Quickie Rat captures excitement fun Racing does atmosphere promotes success appeals levels competitors would like hear anyone suggestions comments Frank Williams 710 Silverpines Houston TX 77062 phone 713-488-1371 Elec Champs/Naccarato Continued page 79 RC Old-Timer Seven-Cell 1 Paul Hingtgen Playboy Astro Co 05 7x800mAh Sanyo 2020 pts 2 Bob Sliff Playboy Astro Co 05 7x800mAh Sanyo 2008 pta 3 Larry Jolly Interceptor Aatro Co 05 7x800mAh Sanyo 1996 pta 4 Chuck Hollinger Nomad Astro Co 05 7x800mAh Sanyo 1865 pta 5 Jim Hall Playboy Leisure 05 7x800 mAl Sanyo 1860 pta RC Old-Timer Open 1 Mike Charles Super Quaker Aatro Co 60 26x800mAh Sanyo 2020 pta 2 Frank Chasteler Lanzo Keller 351 6x800 nAh Sanyo 2020 pta 3 Ross Thomas Lanzo Astro Co 40 26x800mAh Sanyo 2013 pta 4 Lowell Howe Sunduater Astro Co 251 6x800mAh Sanyo 1660 pta 5 Larry Jolly Interceptor Astro Co 05 7x800mAh Sanyo 1619 pta RC Stand-Off Scale 1 Bill Young Stephens Akro Aatro Co 60 3Oxl200mAh Sanyo 204 pta 2 Brian Chan Bede-5N Keller 25 l4xl200mAh Sanyo 177 pta 2 Ken Holcomb PorterfieldAatroSF 15 1 2x1 200mAh Sanyo 135 pta 3 Tony Naccarato J-3 Cub Astro Co 60 28xl200mAh Sanyo 129 pta 4 Bob Sliff Monocoupe Astro SF 40 18x l200mAh Sanyo 127 pta RC Aerobatics 1Steve Neu MKArrow Keller 50 14x1 200mAh GE 150 pta 2 Larry Jolly XC-40 Keller8O 26x1 200mAh GE 145 pta 4 Ed Depue Etude Astro 05 7x1 200mAh Sanyo 71 pta 4 Bob Sliff Snark Astro 05 7x1 200mAh Sanyo 50 pta RC Pylon Racing Seven-Cell 1 Larry Jolly Ohmen Astro Co 05 7x1 200mAh Sanyo 8 pta 2 Lowell Howe Fast Eddy Astro Co 05 7x1 200mAh Sanyo 6 pta 3 Mike Charles Avanti Keller 25 7xl200mAh GE 3 pta 4 Steve Neu original Keller 25 7xl200mAh Sanyo 3 pta Load Tests/Myers Continued page 81 frame will show two blurred images happens because TV image really made interlacing two pictures made 1/60th second apart described above Exposure time TV pic ture effectively 1/60th second movie camera can obtain similar formation double images since movie cameras make whole frame once Silent movies usually taken 18 frames per second sound movies taken 24 frames per second both exposed 1/40th second assuming using Kodachrome film Video USA always 30 frames per second interlaced described above movie camera has slow motion capability may get 36 54 frames per second shorter exposure like 1/90th 1/200th second Some home movie cam eras can synchronized strobe units light briefly 1/50000th second Short exposures can minimize blurring relative both TV image common movie camera exposure time 1/40th second Thats enough about simple instrumentation sample test drop testing airplane having performance characteristics akeady well known can accomplish two things can demonstrate method works can validate procedure convince correlation between what see test what see service preparing article made series free drops onto turf using Spickler Quicky 500 flown times built kit included stock wire landing gear videotape shows two feet drop height gear let belly fuselage hit ground plane bounced foot air hit again tail skid slammed down bounced couple times wheels Experienced Quicky 500 fliers will testify make such landing will indeed break prop After bouncing stopped landing gear rest plane looked undamaged except dents wheels went up through wing leading edge bottom sheeting same thing happened drops up five feet except belly hit harder prop turning would have broken just about drop test corresponds flight experiences Now would say landing gear passed failed drop test After repairing wing few times buying bunch props might decide stiffer landing gear would help situation course can land better wont have trouble Thus might might evaluate drop test results failure landing gear neither tore out airplane nor sep arated two loose pieces Given favorable landing conditions skillful pilot possible land Quicky 500 breaking prop Lots fliers discussion reader should also aware design aircraft model full-size mixture com promises ideal situation aspect may detrimental another Quicky 500 gear somewhat springy allows placing wheels near CG improved takeoffs opposite side coin very stiff landing gear might ripped off causing damage subjected landing condition type would make wheels dent Quicky 500 wing Regardiess evaluate landing gear would call successful proof test airplane wasnt broken testing over consider wing damage secondary dam age due flexibility landing August 1986 157 C C C U 1 I m z 0 z z C, 0 -a 0 -U m I m C- Q 0 0 -I CD U 0 0 C -00 C 0 U 0 Lij N CD 0 31 x 0 x N
Edition: Model Aviation - 1986/08
Page Numbers: 72, 73, 74, 156, 157
TEXAS WRU RAT L does take close competition good flier turnout new experimental categoryalready being flown various forms around countryto unofficially flown years Nats first time may vehicle put fun numbers back Control Line Racing U Frank Williams Three-up racing Control Line models doubt exciting forms model aircraft competition Twen ty-five years ago Control Line flying flourishing Rat Racing attracted com petitors areas modeling though form racing often took day run event because entries planes could built flown average modeler didnt need engineering degree design workings muscles like Charles Atlas fly Things just simpler Unfortunately outdid ourselves striv ing horsepower cleaner faster airplanes such Never daring take step backward went faster faster finally arriving two-up speed Isnt interesting RC has become popular recent years has drawn away competitors wonder what has happened CL Racing has caused What need to get back basicsto racing emphasizes sport racing need races like 25 years ago much fun races could flown three four us time planes didnt necessarily take special pilot handle pull Almost definition races can flown three-up will physically within reach people thoughtful attention rules can legislate simple airframe build around inexpensive available engines kind racing promotes success area country has attempted form another develop ing local sport race events order provide entry level racing event also format three-up racing skill levels enjoy Northwest Sport Race Florida Slow Rat ACLA Slow Rat Fox Goldberg Midwest Sport Race Big Good year Formula Unlimited Texas Quickie Rat evolved fill need have proven successful part 72 Model Aviation Models simple design based Rat Racers 19608 Control Line racing enjoying its heyday coiorfui red white biue Texas flag paint schemewas done K&B Superpoxy paint its simple buiid easyto fiyatthe siower racing 100mph speeds doesnt take super quick speeds make racing fun What NO OCR TEXT Full-Size Plans Available. See Page 162 TEXAS QUICKIE RAT SCRAP BALSA FILLER I/B ALUMINUM MOTOR PLATE I/B PLYWOOD BACKPL ATE USE BLIND MOUNTING NUTS EXTERNAL LINE032 SOLiD1/4 PLYWOOD2 BELLCRANK CONNECTIONS RODLEADOUTSCENTER SPAREXPOSED I/B PLYWOOD---- LEADOUT SUIDE THIS BESS IS MADE AFTER FINAL ASSEMBLY NOTCH IN/ WIRE CATCHESRN HERE UL SOLDER EYELET TRIP WIRERINS PULL FUEL SHUT-OFF II/I67-64 DRILL 4 3/B040 STAINLESS ~BRACKET MNT HOLES IBEND WIRE OUT 01/OF PLANE TO PROVIDE AUTO RESET IIfl FILE NOTCH IS WiRE WITH CUTOFF 3/32 MUSIC WIRE 1 ii E 1/16 PLY RUDDER TEXAS cNYLON TAPE ULCIE 1/16 PLY RUDDER STABI LIZER4i 315 MAXIMUM VENTURI BORE /WITH 155 MIS SPRAY BAR THROUGH CENTER MOTOR FRONT INTAKE SINGLE BYPASS DISPLACEMENT K B 40 SHOWN SHUT-OFF MODEL AVIATION TEXAS QUICKIE RAT DRAWING BY FRANK WILLIAMS TRACING BY JOE DEMARCO ALL RIGHTS RESERVED WING IS I/A MEDIUM BALSA OVER 1/32 PLYWOOD BOTTOM SKIS / NOTE WINS MAY BE COVERED WITH 15 02 DLXXX CLOTH .- LOCATION OF OPTIONAL FUEL TANKA--TRAILING EDGE DOWNSECTION AA K B K QUICK3/B I/U MAPLE UPPER FILLMOTOR MOUNT FUSELASE TOP-FUEL SHUT-OFF1/32 PLYWOOD WINS BABOTTOM SKIN _____________3/B 1/2 MAPLE MOTOR SO BEND IN UPPER END OF LG WIRE _______ ____________________________________________________________[v32][b1423139911700]]I/B ALUMINUMRECESS FOR MOTOR PLATE 0I2345 ______________________FRONT END DETAIL ATORri SEWN/ HISSESNYLON HORNSTABILIZER AND ELEVATOR FROM I/B BASSWOOD engine original engine manu facturer What taking advantage wealth inexpensive sport 40 RC en ginesK&B OS Enya Webra ST name few fact weve run out 35s K&B 35 isnt available anymore since ringed engine about choice Sport Racing events Sure everyone has Fox Combat Special could base class racing event around what makes racing fun having engine start pitting situation ringed engine generally will lapped engine poor choice hot pits class ringed 40s has proven excellent source Control Line Racing engines inexpensive $45-$65 easily available both new used great starters proper ven turi specification horsepower output can easily controlled problem draw racing cant stop drilling out venturi until other guy does know wont get airspeed need competitive youve got get much air possible engine After can no longer get reliable needle setting just running pits youve got set needle air Next worry Will have enough draw get off ground Since Sport racing events have outlawed inboard tanks swing-weight carbs finally resort Ive seen done little thumb over venturi starts quick throw air Oh gosh sounded simple draw As turns out sport 40s left run draw drilled-out venturis would generate power want need achieve 95 100-mph speed So killed two birds stone speci fied maximun venturi bore minimum spraybar size limited power output engine same time promoted success competitors giving event engine/venturi combi nation anyone can easily needle ground venturi regulation come think about necessary internal combustion racing long run ergo carburetor plates auto racing matter could race current Fast Rats three-up proper venturi speci fication changing anything else start running faster youd like next year just knock off thousandth venturi bore Quickie Rat weve arrived venturi bore 315 %6 drill plus little slop minimum spraybar di ameter 155 spraybar going Continued page 156 74 Model Aviation Don Cranfili Ron Esman Richard Stubbiefleld another hotly-contested race Threeup Control Line Racing just too much fun let slip under horsepower curve Get yours ready 1986 Nats event time best spent practicing flying AMA WiNG NUMBERS AMA number single decal Ready apply AMA171120L1 Black letters Clear plastic peel & stIck CL Speed/Hem pel Continued page 71 ucts larger-sized jets will have machined Use brass 10-32 machine screw Cut desired length drill out almost entire length No 42 drill bit drill very last portion desired drill size Machine off enough threads fuel tub ing slide Starting procedure Utilizing fuel mixtures listed previously engine very easy start Attach air supply Model T coil ignition Raise nose model about 450 turn coil pump should start two four pumps Launching model simply letting go either straight ahead angled out slightly very important pilot back up keep lines tight first l/ lap Remember thrust push behind rather pull line tension must maintained until speed builds up centrifugal force keeps model mov ing straight fly model 65-ft 018 single-strand solid wire two pieces equipment will need normally modelers tool box piece lA-in steel pipe good hammer jet pipes bend hard land ing can straightened forcing pipe inside jet pipe smoothing out dents hammer Give Jet try might just get hooked first weekend out put over 30 flights SupplIers needed supplies Sears Auto Centerhigh-volume tire pump JC Whitney Model T ignition coil Paint storeMEK stan dard brands chain Jet EngineP&G Metal Products 301 North Yale Dr Garland TX 70542 months column written help Charlie Davis noted Jet modeler Speed flier has motivation behind hav ing fun flying Speed instead stand ing front milling machine lathe months column copyright 1986 Gene Hempel Gene Hempel 301 N Yale Dr Garland TX 75042 Quickie Rat/Williams Continued page 74 through center venturi goes saying rules prohibit troduction air engine through passage other venturi designate minimum length above below spraybar specified bore must maintained also supply 10% fuel event requirements allow us race comfortably 100-mph range provide us simple reliable system promotes success competitors no matter what level Clear Lake Line Winders plan sponsor Quickie Rat unofficial event Lake Charles Nats summer youre going Nats wed like have come race us Construction airplane pretty straightforward just arent whole lot parts deal wont take couple days build wing built epoxying Tite bonding piece -in medium-to-firm balsa onto 2-in plywood wing bottom bottom should continuous piece plywood dont butt two 12-in pieces gether center can substitute 1/16 plywood wing bottom like used build way Ive decided 2 works just well saves some weight Rout out center balsa down plywood through inset the-in plywood belicrank mount/main spar epoxy After has cured sand wing shape bringing trailing edge down plywood skin construction method gives fairly light rigid wing trailing edge firm enough grasped during pitting damage Rout out recess outboard tip bury about 1 oz lead wing tip like wing can covered layer 1 5-oz glass cloth adhered K&B clear Superpoxy fuselage isnt evenings work either engine mounts fuselage Youll need piece 18in maple upper engine mount shorter piece lower Fill between mounts -in balsa add -in ply wood sub-rudder/tail skid piece plywood inboard side engine take power sander Rout recess fuselage/engine mounts landing gear wire lay same time cut engine plate -in aluminum fit engine Bend landing gear wire upper end fits upper engine mount bend will keep rotating aluminum engine plate holds place Ive using tAz music wire forthe landing gear also works fine stab elevator cut -in basswood Ive shown sewn hinges anything will Add Vt-in plywood rudder like Mount wing stab fuselage using liberal amounts epoxy nylon tape check carefully proper alignment like wing go through fuselage rather mounted top upper engine mount its just safer sturdier Add -in plywood lead-out gnide youre just about done woodwork Give whole thing couple coats K&B Superpoxy clear set aside thats left build tank shut off favorite type tip skids like bolt bellcrank Ive re cently taken using silicone sealer attach tank body course standard add some hooks rubberband thing does give easy access repair leaks like since arent running pressure thats just critical planes really quite durable have eight years old use loaner 156 Model Aviation r ROUSH KITS TaylorCraft Full span 108 Area 1670 Clipped 84 Area 1300 Power 75 12 Cu Bales & Pl 2 lbs $11995 Super Sport 120 Span 73 Area 960 Power 75 12 cv $9995 Super Kwik Fli Span 70 Area 927 Power 75 12 Cu $8995 Two Ugly Stick span 70 Area 1290 Power 75 12 Cu $9995 Jr Sticks span 72 Area 1060 Power 75 12 Cu $7995 Direct Sales Only Prices Include Shipping Send $100 Catalog ROUSH MFG 1726 Dywood St SE Canton Ohio 44707 2104644610 RUBBER POWERED FLYING MODELS KITS S SSORIES KITSTISSUE -LUBE-PROPELLERS SHAFTS BEARINGS WHEELS LARGE CATALOG OF QUALITY SUPPLIES KITS AND PLANS FOR RUBBER POWERED MODELS ALSO CO-2 ENGINES BLIMPS ELECTRIC AND MORE FULL C4T4LOC $209 NEW NO 619 448-1818 j Peck-Pelymers - BOX 2498 -MA LA MESA CA 920414 I2 includes postage & 8 TOr Engine rework Youd better off spending time practicing racing pitting trying polish re-time soup intake restrictions new engine runs well anything else Ive seen Three-up Control Line Racing too much fun let slip away under horse power curve Quickie Rat captures excitement fun Racing does atmosphere promotes success appeals levels competitors would like hear anyone suggestions comments Frank Williams 710 Silverpines Houston TX 77062 phone 713-488-1371 Elec Champs/Naccarato Continued page 79 RC Old-Timer Seven-Cell 1 Paul Hingtgen Playboy Astro Co 05 7x800mAh Sanyo 2020 pts 2 Bob Sliff Playboy Astro Co 05 7x800mAh Sanyo 2008 pta 3 Larry Jolly Interceptor Aatro Co 05 7x800mAh Sanyo 1996 pta 4 Chuck Hollinger Nomad Astro Co 05 7x800mAh Sanyo 1865 pta 5 Jim Hall Playboy Leisure 05 7x800 mAl Sanyo 1860 pta RC Old-Timer Open 1 Mike Charles Super Quaker Aatro Co 60 26x800mAh Sanyo 2020 pta 2 Frank Chasteler Lanzo Keller 351 6x800 nAh Sanyo 2020 pta 3 Ross Thomas Lanzo Astro Co 40 26x800mAh Sanyo 2013 pta 4 Lowell Howe Sunduater Astro Co 251 6x800mAh Sanyo 1660 pta 5 Larry Jolly Interceptor Astro Co 05 7x800mAh Sanyo 1619 pta RC Stand-Off Scale 1 Bill Young Stephens Akro Aatro Co 60 3Oxl200mAh Sanyo 204 pta 2 Brian Chan Bede-5N Keller 25 l4xl200mAh Sanyo 177 pta 2 Ken Holcomb PorterfieldAatroSF 15 1 2x1 200mAh Sanyo 135 pta 3 Tony Naccarato J-3 Cub Astro Co 60 28xl200mAh Sanyo 129 pta 4 Bob Sliff Monocoupe Astro SF 40 18x l200mAh Sanyo 127 pta RC Aerobatics 1Steve Neu MKArrow Keller 50 14x1 200mAh GE 150 pta 2 Larry Jolly XC-40 Keller8O 26x1 200mAh GE 145 pta 4 Ed Depue Etude Astro 05 7x1 200mAh Sanyo 71 pta 4 Bob Sliff Snark Astro 05 7x1 200mAh Sanyo 50 pta RC Pylon Racing Seven-Cell 1 Larry Jolly Ohmen Astro Co 05 7x1 200mAh Sanyo 8 pta 2 Lowell Howe Fast Eddy Astro Co 05 7x1 200mAh Sanyo 6 pta 3 Mike Charles Avanti Keller 25 7xl200mAh GE 3 pta 4 Steve Neu original Keller 25 7xl200mAh Sanyo 3 pta Load Tests/Myers Continued page 81 frame will show two blurred images happens because TV image really made interlacing two pictures made 1/60th second apart described above Exposure time TV pic ture effectively 1/60th second movie camera can obtain similar formation double images since movie cameras make whole frame once Silent movies usually taken 18 frames per second sound movies taken 24 frames per second both exposed 1/40th second assuming using Kodachrome film Video USA always 30 frames per second interlaced described above movie camera has slow motion capability may get 36 54 frames per second shorter exposure like 1/90th 1/200th second Some home movie cam eras can synchronized strobe units light briefly 1/50000th second Short exposures can minimize blurring relative both TV image common movie camera exposure time 1/40th second Thats enough about simple instrumentation sample test drop testing airplane having performance characteristics akeady well known can accomplish two things can demonstrate method works can validate procedure convince correlation between what see test what see service preparing article made series free drops onto turf using Spickler Quicky 500 flown times built kit included stock wire landing gear videotape shows two feet drop height gear let belly fuselage hit ground plane bounced foot air hit again tail skid slammed down bounced couple times wheels Experienced Quicky 500 fliers will testify make such landing will indeed break prop After bouncing stopped landing gear rest plane looked undamaged except dents wheels went up through wing leading edge bottom sheeting same thing happened drops up five feet except belly hit harder prop turning would have broken just about drop test corresponds flight experiences Now would say landing gear passed failed drop test After repairing wing few times buying bunch props might decide stiffer landing gear would help situation course can land better wont have trouble Thus might might evaluate drop test results failure landing gear neither tore out airplane nor sep arated two loose pieces Given favorable landing conditions skillful pilot possible land Quicky 500 breaking prop Lots fliers discussion reader should also aware design aircraft model full-size mixture com promises ideal situation aspect may detrimental another Quicky 500 gear somewhat springy allows placing wheels near CG improved takeoffs opposite side coin very stiff landing gear might ripped off causing damage subjected landing condition type would make wheels dent Quicky 500 wing Regardiess evaluate landing gear would call successful proof test airplane wasnt broken testing over consider wing damage secondary dam age due flexibility landing August 1986 157 C C C U 1 I m z 0 z z C, 0 -a 0 -U m I m C- Q 0 0 -I CD U 0 0 C -00 C 0 U 0 Lij N CD 0 31 x 0 x N